CopyScape is one of the most popular plagiarism checkers on the internet. Content publishers and website owners can use this tool to find out if their content has been duplicated or if the content being presented to them is original and unique. CopyScape works by looking for pages online which contain text similar to the original content.

SEOQuake is a free analytics browser which comes with versions for Opera, Safari, Chrome and Firefox. This tool monitors a wide range of parameters including Google Links, keyword density, Google Page Rank, Alexa rank, domain IP and page source, and Google Index. In addition, it even allows users to customize their own parameters. If you want to know how useful or well-known your site is, SEOQuake is the tool for you.

This is a great tool for social media analytics. It draws data from places like Foursquare, LinkedIn, Facebook, Google+, Instagram and Twitter. This data is then used to measure your influence on social media, after which you are assigned a ‘Klout score’. It takes into consideration statistics such as memberships, subscriptions, likes, retweets and follower counts. This will give you an idea of how people are engaging with your content.

This is an awesome browser extension which can come in very handy for link building. When you visit any web page, this toolbar displays the SEO metrics such as the number of backlinks, page authority and domain authority. You can find specific links you are interested in such as external, internal, nofollow and dofollow links. In addition, you can check the IP address of the site. The premium version of MozBar comes with additional tools for on-page keyword optimization, rank tracking and SERP analysis.

This is another tool which can be very useful for link research. It allows you to produce SEO reports which can help you identify blunders in meta keywords, meta descriptions, headers and titles. In addition, Ahrefs can help you find duplicate content and broken links on a site, as well as keep track of mentions of your business or brand. It offers updates every 15 minutes, thus enabling you to keep track of a site’s performance.

6. Social Crawlytics

This tool comes in handy for monitoring your competitor’s most shared content. It scans website URLs to give you an idea of where the content is being promoted and shared. Its user friendly interface allows you to track, analyze and schedule all the social media metrics. Once you have made specifications for your search, submit your email address to Social Crawlytics. You will then receive the report in your inbox once it is compiled.